Potassium trispyrazolylborate

Potassium trispyrazolylborate
IUPAC name

Potassium tri(1H-pyrazol-1-yl)hydroborate
Identifiers
CAS number 18583-60-3
Jmol-3D images Image 1
Properties
Molecular formula C9H10BKN6
Molar mass 252.13 g mol−1
Melting point

188-189 °C[1]
 Y (verify) (what is: Y/N?)
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)
Infobox references

Potassium trispyrazolylborate is a source of Tp ligand. Not commercially available, it may be prepared by Trofimenko's method of reacting potassium borohydride with pyrazole in the melt:[1]

KBH4 + 3 pz → KBH(pz)3 + 3 H2


References

  1. ^ a b Trofimenko, Swiatoslaw (1967). "Boron-pyrazole chemistry. II. Poly(1-pyrazolyl)-borates". J. Am. Chem. Soc. 89 (13): 3170. doi:10.1021/ja00989a017.